Cars , airplanes etc.
the most fossil fuel that humans use is the solid fossil fuel. and it is coal
Power stations and auto mobiles are two things that use fossil fuels.
Diesel
Fossil fuel
Fossil fuel
Fossil fuels
Petrol (gasoline) and diesel are types of fossil fuel, and most cars use one of those.
pollution
fossil
Coal is the main fuel for electricity.
Use natural gases instead of fossil fuels are only use fossil fuel if it very urgent
No use of ANY fossil fuel can be regarded as conserving resources.